What led the growth of the middle class during the gilded age? (Development of the Middle Class)

There were clerical jobs, which were open to women as well as men, fostered of the growth middle class as educated office workers who spent their surplus income of growing varieties of consumer goods for leisure activities.

france

hope this !

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.